1 files changed, 3 insertions, 2 deletions

diff --git a/src/firejail/seccomp.c b/src/firejail/seccomp.c
index 9670fe816..3d9bf9082 100644
--- a/src/firejail/seccomp.c
+++ b/src/firejail/seccomp.c
@@ -208,7 +208,8 @@ int seccomp_filter_drop(bool native) {
         //      - seccomp
         if (cfg.seccomp_list_drop == NULL) {
                 // default seccomp if error action is not changed
-                if (cfg.seccomp_list == NULL && arg_seccomp_error_action == DEFAULT_SECCOMP_ERROR_ACTION) {
+                if ((cfg.seccomp_list == NULL || cfg.seccomp_list[0] == '\0')
+                    && arg_seccomp_error_action == DEFAULT_SECCOMP_ERROR_ACTION) {
                         if (arg_seccomp_block_secondary)
                                 seccomp_filter_block_secondary();
                         else {
@@ -261,7 +262,7 @@ int seccomp_filter_drop(bool native) {
                         }
 
                         // build the seccomp filter as a regular user
-                        if (list)
+                        if (list && list[0])
                                 if (arg_allow_debuggers)
                                         rv = sbox_run(SBOX_USER | SBOX_CAPS_NONE | SBOX_SECCOMP, 7,
                                                       PATH_FSECCOMP, command, "drop", filter, postexec_filter, list, "allow-debuggers");